The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 1992
Filed:
Jan. 21, 1992
Applicant:
Inventors:
Harry M Castrantas, Newtown, PA (US);
Michael R Fagan, Holland, PA (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210759 ; 210904 ;
Abstract
A process is provided for detoxifying an aqueous solution containing weak acid-dissociable cyanide metal complexes. The process comprises incorporating hydrogen peroxide and at least 1 mole of citric acid per mole of complexed metal ion and maintaining the pH of the solution between 8 and 12.